package com.bite.forum.interceptor;

import com.bite.forum.config.AppConfig;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * @Author: dimimgluo
 * @CreateTime: 2024-11-24  14:41
 * @Description: TODO
 */

@Component
public class LoginInterceptor implements HandlerInterceptor {

    @Value("${bit-forum.login.url}")
    private String defaultURL;
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession(false);
        if (session != null && session.getAttribute(AppConfig.USER_SESSION) != null) {
            return true;
        }
        if (!defaultURL.startsWith("/")) {
            defaultURL = "/" + defaultURL;
        }
        response.sendRedirect(defaultURL);
        return false;
    }
}
